Masaru Kokubo

According to our database, Masaru Kokubo authored at least 23 papers between 1988 and 2023.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of three.

2023

Modulation Configurations of Phase Locked Loops for High-Speed and High-Precision Wired and Wireless Applications.

Masaru Kokubo

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., May, 2023

2018

A 50-Gb/s High-Sensitivity (-9.2 dBm) Low-Power (7.9 pJ/bit) Optical Receiver Based on 0.18-µm SiGe BiCMOS Technology.

Takashi Takemoto, Yasunobu Matsuoka, Hiroki Yamashita, Yong Lee, Hideo Arimoto, Masaru Kokubo, Tatemi Ido

IEEE J. Solid State Circuits, 2018

2016

A 50.6-Gb/s 7.8-mW/Gb/s -7.4-dBm sensitivity optical receiver based on 0.18-µm SiGe BiCMOS technology.

Takashi Takemoto, Yasunobu Matsuoka, Hiroki Yamashita, Yong Lee, Kenichi Akita, Hideo Arimoto, Masaru Kokubo, Tatemi Ido

Proceedings of the 2016 IEEE Symposium on VLSI Circuits, 2016

A jitter-reduction packaging structure for a 56-Gb/s NRZ modulated optical receiver.

Takashi Takemoto, Yasunobu Matsuoka, Hiroki Yamashita, Yong Lee, Kenichi Akita, Hideo Arimoto, Masaru Kokubo

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2016

2015

Foreword.

Masaru Kokubo

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2015

An electrical and optical concurrent design methodology for enlarging jitter margin of 25.8-Gb/s optical interconnects.

Takashi Takemoto, Hiroki Yamashita, Yasunobu Matsuoka, Yong Lee, Masaru Kokubo

Proceedings of the 2015 IEEE Custom Integrated Circuits Conference, 2015

2013

Verification of interference avoidance effect with Adaptive Channel Diversity method based on ISA100.11a standard.

Yasutaka Serizawa, Takashi Yano, Masayuki Miyazaki, Kenichi Mizugaki, Ryosuke Fujiwara, Masaru Kokubo

Proceedings of the 2013 IEEE Radio and Wireless Symposium, 2013

2012

100-1000 MHz Programmable Continuous-Time Filter with Auto-Tuning Schemes and Digital Calibration Sequences for HDD Read Channels.

Takahide Terada, Koji Nasu, Taizo Yamawaki, Masaru Kokubo

IEICE Trans. Electron., 2012

Adaptive channel diversity method based on ISA100.11a standard for wireless industrial monitoring.

Masayuki Miyazaki, Ryosuke Fujiwara, Kenichi Mizugaki, Masaru Kokubo

Proceedings of the 2012 IEEE Radio and Wireless Symposium, 2012

2009

100-1000 MHz cutoff frequency, 0-12 dB boost programmable Gm-C filter with digital calibration for HDD read channel.

Takahide Terada, Taizo Yamawaki, Masaru Kokubo, Koji Nasu

Proceedings of the 35th European Solid-State Circuits Conference, 2009

A low-jitter 1.5-GHz and large-EMI reduction 10-dBm spread-spectrum clock generator for Serial-ATA.

Takashi Kawamoto, Masaru Kokubo

Proceedings of the 14th Asia South Pacific Design Automation Conference, 2009

2008

0.7-GHz-Bandwidth DS-UWB-IR System for Low-Power Wireless Communications.

Ryosuke Fujiwara, Akira Maeki, Kenichi Mizugaki, Goichi Ono, Tatsuo Nakagawa, Takayasu Norimatsu, Masaru Kokubo, Masayuki Miyazaki, Yasuyuki Okuma, Miki Hayakawa, Shinsuke Kobayashi, Noboru Koshizuka, Ken Sakamura

IEICE Trans. Commun., 2008

A low-jitter 1.5-GHz and 350-ppm spread-spectrum serial ATA PHY using reference clock with 400-ppm production-frequency tolerance.

Takashi Kawamoto, Masaru Kokubo

Proceedings of the ESSCIRC 2008, 2008

2007

A UWB-IR Transmitter With Digitally Controlled Pulse Generator.

Takayasu Norimatsu, Ryosuke Fujiwara, Masaru Kokubo, Masayuki Miyazaki, Akira Maeki, Yuji Ogata, Shinsuke Kobayashi, Noboru Koshizuka, Ken Sakamura

IEEE J. Solid State Circuits, 2007

A Dual-Mode Bluetooth Transceiver with a Two-Point-Modulated Polar-Loop Transmitter and a Frequency-Offset-Compensated Receiver.

Takashi Oshima, Masaru Kokubo

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2007

2006

Intermittent Wireless Communication System for Low-Power Sensor Networks.

Akira Maeki, Masayuki Miyazaki, Minoru Ohgushi, Masaru Kokubo, Kei Suzuki

IEICE Trans. Commun., 2006

Spread-Spectrum Clock Generator for Serial ATA with Multi-Bit Sigma-Delta Modulator-Controlled Fractional PLL.

Masaru Kokubo, Takashi Kawamoto, Takashi Oshima, Takayuki Noto, Masato Suzuki, Shigeyuki Suzuki, Takashi Hayasaka, Tomoaki Takahashi, Jun Kasai

IEICE Trans. Electron., 2006

2005

A GFSK Transmitter Architecture for a Bluetooth RF-IC, Featuring a Variable-Loop-Bandwidth Phase-Locked Loop Modulator.

Masaru Kokubo, Takashi Oshima, Katsumi Yamamoto, Kunio Takayasu, Yoshiyuki Ezumi, Shinya Aizawa

IEICE Trans. Electron., 2005

Simple polar-loop transmitter for dual-mode Bluetooth.

Takashi Oshima, Masaru Kokubo

Proceedings of the International Symposium on Circuits and Systems (ISCAS 2005), 2005

Rapid signal acquisition for low-rate carrier-based ultra-wideband impulse radio.

Ryosuke Fujiwara, M. Shida, Akira Maeki, Kenichi Mizugaki, Masaru Kokubo, Masayuki Miyazaki

Proceedings of the International Symposium on Circuits and Systems (ISCAS 2005), 2005

A novel UWB impulse-radio transmitter with all-digitally-controlled pulse generator.

Takayasu Norimatsu, Ryosuke Fujiwara, Masaru Kokubo, Masayuki Miyazaki, Yasuyuki Okuma, Miki Hayakawa, Shinsuke Kobayashi, Noboru Koshizuka, Ken Sakamura

Proceedings of the 31st European Solid-State Circuits Conference, 2005

1997

A 2.7-V GSM RF transceiver IC.

Taizo Yamawaki, Masaru Kokubo, Kiyoshi Irie, Hiroaki Matsui, Kazuaki Hori, Takefumi Endou, Hiroshi Hagisawa, Tomio Furuya, Yoshimi Shimizu, Makoto Katagishi, Julian Robert Hildersley

IEEE J. Solid State Circuits, 1997

1988

A subscriber digital signal processor LSI for PCM applications.

Kazuo Yamakido, Masaru Kokubo, Takahiko Kozaki, Shigeo Nishita, Tatsuya Nishihara, Norio Miyake, Ken'ichi Ohwada

IEEE J. Solid State Circuits, June, 1988